MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external resources. One URL, 'https://ttraff.ru/pify?keyword=difference+between+engineering+stress+strain+and+true+stress+strain+pdf', is flagged as a known malicious redirector. The presence of a link farm and a malicious redirector suggests an attempt to direct users to potentially harmful content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=difference+between+engineering+stress+strain+and+true+stress+strain+pdf In PDF document text
- http://files.edgeproductions.ca/uploads/1/3/1/4/131437147/a1982cdea5fa.pdfIn PDF document text
- http://files.firstchristiancompton.org/uploads/1/3/0/7/130775021/9484298.pdfIn PDF document text
- http://fuvivepe.rosemaryeagle.com/uploads/1/3/1/3/131379578/4367575.pdfIn PDF document text
- http://files.mygentlebeginnings.com/uploads/1/3/2/7/132740424/9403006.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/1661/3014/files/unified_hud_project_uhud_v3._7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9223/0823/files/32791128486.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4656/8098/files/dezalopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0056/9766/files/benevisupefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4874/6651/files/81065586889.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4245/6231/files/bromazepam_bula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0168/2843/files/buku_agama_islam_kelas_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7258/4861/files/ksde_report_card.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/8883/3701/files/mario_vazquez_gallary.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4424/9499/files/texte_allemand_facile_avec_questions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2439/2087/files/xamikolovig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8385/7053/files/kunekevuwexuguleno.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4919/7472/files/rails_flash_now.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0765/3526/files/add_draft_watermark_to_adobe_reader.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4697/7179/files/89175507117.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007d9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D9C | 5524 bytes |
SHA-256: e66f5bf724d4720eeb25469cf4ea1f3dd6085a9b2a0f156ee8e20851468838b1 |
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font_01_sfnt_off0000908c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x908C | 10312 bytes |
SHA-256: 5013e3b6ac971117005dfd8672ff0038ff69f82cfdf7f3f99e9bc1349b1b067f |
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font_02_sfnt_off0000b41d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB41D | 16100 bytes |
SHA-256: c20ec5398f07f90df21f3b69433a6d1888c3f75713c6873c227b42dad0e1c929 |
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